<!DOCTYPE html>
<html>
<head>
	<title></title>

	<style type="text/css">
		
		p{
			color: red;
			font-size: 30px;
			background-color: yellow;
			text-align: center;
		}

	</style>

</head>
<body>

<p>我是段落</p>



</body>
</html>